polyiamond

polyiamond noun: a polyform made by joining one or more equilateral triangles edge to edge in various arrangements, with every polyiamond corresponding to a polyhex.

Image: YemeniteCamel, Public domain, via Wikimedia Commons

Noun

polyiamond (plural polyiamonds)

A polyform made by joining one or more equilateral triangles edge to edge in various arrangements, with every polyiamond corresponding to a polyhex.

Synonyms:

n-iamond

Synonyms of polyiamond

n-iamond

Forms of polyiamond

plural	polyiamonds

Origin of polyiamond

Blend of poly- + diamond, the polyiamond made up of two triangles being a diamond or rhombus.

Words formed from polyiamond

diamond
hexiamond
moniamond
pentiamond
tetriamond
triamond
1
3
4
12
barrhomboid
crookclub
crown
sphinx
snake
yacht
chevronbat
signpostpistol
lobster
hookshoe
hexagon
butterfly

Questions about polyiamond

What does polyiamond mean?: Polyiamond means a polyform made by joining one or more equilateral triangles edge to edge in various arrangements, with every polyiamond corresponding to a polyhex.
What part of speech is polyiamond?: Polyiamond is a noun.
What is the plural of polyiamond?: The plural of polyiamond is polyiamonds.

Words near polyiamond in the dictionary

Adapted from Wiktionary: polyiamond (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-polyiamond.wav.

Cite this entry: “polyiamond.” Word.ws, https://word.ws/polyiamond. Based on Wiktionary, CC BY-SA 4.0.